Prospects of distributed shared memory for reducing global traffic in shared-bus multiprocessors

Gyungho Lee, Jinseok Kong

Research output: Contribution to journalArticle

Abstract

As an effort, not a mutually exclusive but rather complementary to developing better backplane bus, this paper considers adapting distributed shared-memory (DSM) architectures to improve traditional shared-bus designs. We consider two well-known DSM architectures, namely Cache-coherent Non-Uniform Memory Architecture (NUMA) and Cache-Only Memory Architecture (COMA), in reducing bus traffic. Our study shows that COMA provides excellent opportunity of significantly reducing bandwidth requirement for the bus while cache-coherent NUMA provides a marginal improvement.

Original languageEnglish
Pages (from-to)867-872
Number of pages6
JournalJournal of Systems Architecture
Volume44
Issue number11
DOIs
Publication statusPublished - 1998 Aug

Keywords

  • Cache-only memory architecture
  • Distributed shared-memory
  • Non-uniform memory architecture
  • Shared-bus multiprocessor

ASJC Scopus subject areas

  • Software
  • Hardware and Architecture

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